Spread characteristics of OCR lamination for flexible OLED display process with flat and curved substrates

Kim, Young-Gyun; Han, Kwan-Young

doi:10.35848/1347-4065/abeec7

Cited by 3 publications

(3 citation statements)

References 38 publications

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“…The fabrication process of flexible fiber display system is mainly divided into three steps. They are the preparation of conductive fiber, OLED lattice and fibrotic grid [11]. The first is the preparation of conductive fiber.…”

Section: Manufacturing Process Of Flexible Oledmentioning

confidence: 99%

Applications and Future Developments of Flexible Organic Light-emitting Diode

Lei

Li²,

Wu³

et al. 2022

J. Phys.: Conf. Ser.

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With the rapid development of display technology, human beings have more and more stringent requirements for display products, e.g., their light weight, thinness, flexible performances, and versatility. Contemporarily, the flexible organic light-emitting diode (OLED) technology and its derived multi-layer structure tend to be wearable, light, and responsive in a short time. Although flexible OLED technology is popular, there are still many problems that needs to be addressed, e.g., new raw materials, rough flexible substrate, and low efficiency in workmanship, resulting in poor luminescence, rough and inflexible products. In this paper, a new type of flexible fiber display system is proposed by combining OLED with conductive optical fiber. This paper comprehensively introduces the mechanism, manufacturing technology and structure of this new type of flexible OLED. It covers various scopes like Internet information communication, real-time positioning, and medical assistance, etc. Despite some challenges and limitations, this product possesses a variety of advantages in terms of its convenience and flexibility, which makes the exploitation of a large range of applications probable. Therefore, it is highly expected that these promising prospects of development will stimulate the further progress in display fabrication, which helps to facilitate people’s lives in the future. These results shed light on the significance of developments of flexible OLED technology.

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Section: Manufacturing Process Of Flexible Oledmentioning

confidence: 99%

Applications and Future Developments of Flexible Organic Light-emitting Diode

Lei

Li²,

Wu³

et al. 2022

J. Phys.: Conf. Ser.

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“…For large areas, fast confirmation and further analysis of the interface stress of flexible graphene substrates are difficult, and the cost of high detection equipment is considerable for general manufacturers. In addition, the major features of flexible electronics are the bending storage and operation of curving conditions, such as the display or transmission of electrical signals during curving [23][24][25]. Therefore, flexible electronic stress analysis under curving conditions enables researchers to obtain an improved design for enhanced coating processes.…”

Section: Introductionmentioning

confidence: 99%

Curved-Mechanical Characteristic Measurements of Transparent Conductive Film-Coated Polymer Substrates Using Common-Path Optical Interferometry

Wen

Hsu

2021

Coatings

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This study proposes a method for measuring curved-mechanical characteristics based on a whole-folding test for transparent conductive film-coated polymer substrates using common-path optical interferometry. Accordingly, 80-, 160-, and 230-nm indium tin oxide films coated on 40 × 40 mm 125-μm-thick polyethylene terephthalate (PET) substrates, and monolayer graphene films coated on 40 × 40 mm 250-μm-thick PET substrates are inspected and analyzed under the curving conditions of 50-, 30-, 20-, and 10-mm radii before and after an 11,000 whole-folding cycle test based on a 10-mm folding radius. This study utilizes the changes in the phase retardations of transparent conductive film-coated polymer substrates under different curving conditions before and after 11,000 whole-folding cycles to analyze the substrates’ residual stress characteristics that were the direct result of manufacturing process parameters. The results from this study of curved-mechanical characteristic measurements of flexible transparent conductive substrates can provide designers with improved product development and can assist manufacturers in improving the manufacturing design of enhanced coating processes.

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“…These evolving display types require the appropriate display materials and process technologies. The lamination-process [21][22][23][24][25][26][27][28] technology for bonding panel substrates and bended window glass is one of the most important technologies currently available. In general, the lamination process uses optically clear adhesive (OCA) and optically clear resin (OCR), both of which have excellent optical properties.…”

Section: Introductionmentioning

confidence: 99%

Optimization of the Rework of Bended OLED Displays by Surface-Energy Control

Kim

Park²,

Choi

et al. 2021

Coatings

Self Cite

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Recent display technology has changed substantially from flat-type displays to bended displays. As a result, the lamination process for bonding the panel substrates and bended window glass has become difficult due to the changes in display shape, and the use of optically clear adhesive (OCA) makes it impossible to rework defective substrates due to residue problems. Therefore, it is necessary to research and develop a substrate-surface treatment that maintains the initial adhesion and is reusable via the complete removal of impurities during delamination in order to enable rework. In this paper, the possibility of maintaining adhesive force and reusing substrates was confirmed through the surface treatment of substrates and OCA using various materials. We found that a surface coating and a cooling treatment of additional substrates completely removed the impurities that remained on the substrates during reworking. These results could contribute to improving lamination-process technology and the productivity of the various forms of next-generation displays that are currently under development.

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Spread characteristics of OCR lamination for flexible OLED display process with flat and curved substrates

Cited by 3 publications

References 38 publications

Applications and Future Developments of Flexible Organic Light-emitting Diode

Applications and Future Developments of Flexible Organic Light-emitting Diode

Curved-Mechanical Characteristic Measurements of Transparent Conductive Film-Coated Polymer Substrates Using Common-Path Optical Interferometry

Optimization of the Rework of Bended OLED Displays by Surface-Energy Control

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